public class poke {
    public static void main(String[] args) {
        int A = 10, B = 8;
        System.out.println("交换前的手牌为\n黑桃" + A + "\t红桃" + B);
        int C = A;
        A = B;
        B = C;
        System.out.println("交换前的手牌为\n黑桃" + A + "\t红桃" + B);
    }
}
